Finding the Fourth Proportional to 1,134.27, 1,561.71 and 1,030.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134.27 : 1,561.71 = 1,030.46 : x
2. Step 2: Convert to fraction form
   1,134.27/1,561.71 = 1,030.46/x
3. Step 3: Cross multiply
   1,134.27x = 1,561.71 × 1,030.46
4. Step 4: Simplify right side
   1,134.27x = 1,609,269.97
5. Step 5: Solve for x
   x = 1,609,269.97/1,134.27
6. Step 6: Final answer
   x = 1,418.78